1) What happen when you touch the clamps together or accidentally touch/short the 12V DC outlet?
    Nothing at all, the device has a safety logic build-in if there is no lead-acid battery be present, you   cannot execute next step.

2) What happen when you hookup the battery in wrong polarity or backwards? 
     Nothing at all, the device has a safety logic build-in; the beep alarm will sound and disable you to    move forward to next step on boost function. Because of this feature, there is always SPARK      FREEE and only when you hook up correctly then power will be delivered to lead-acid battery.

3) Is the device water proof?
    Sorry, it is not. Please use it with cautions during wet conditions. Others might claim their device is  water proof but once the 12V connector is engaged, it is impossible to have a water seal unit.

4) How long does it hold a charge?

    Under normal conditions, it can hold 70% of its original charge up to a year.

5)Why choose us ?
   We're a profesional and capable factory,taking part in international fairs in different countries each  year,as 1 of the best suppliers of car jump starter in China,we offer very competitive price and  outstanding service,100% QC inspection Before Shippment.

6)How to Contact Us ?
   Send your Inquiry Details in the Below, Click "Send" Now!!